Georgia's first brewery is also one of its oldest surviving buildings.

A modest walled graveyard where nobody is actually buried.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

More than a century after her death, Little Gracie Watson remains one of Savannah's most often-visited residents.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Now nearly abandoned, Kaskaskia was once the capital of Illinois and one of the most important towns on the upper Mississippi.

A subterranean haunt where wine and homemade biscottis are always on the menu.

Erosion and time have created a naturally-formed water park.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

Giant granite rocks standing end-to-end like a train of circus elephants.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

Legends surround this jagged rock formation in the New Mexico desert.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This museum located in the "Corn Cob Pipe Capital of the World," chronicles the history of cob pipe.